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 ###Instrução: Qual é o número de sequências para o nome Alifoldz?
 ###Tabelas: CREATE TABLE ncrna_gene_prediction_software (ncrna_gene_prediction_software_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Number of sequences Number of sequences: . VARCHAR, Alignment Alignment: predicts an alignment , . VARCHAR, Structure Structure: predicts structure , . VARCHAR, Link VARCHAR) CREATE TABLE appearances_in_tour_de_france_since_1947 (appearances_in_tour_de_france_since_1947_id AUTO_INCREMENT PRIMARY KEY, Year INT, Stage INT, Start VARCHAR, Finish VARCHAR, Leader at the summit VARCHAR) CREATE TABLE 2009_season_schedule (2009_season_schedule_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Opponent VARCHAR, Home / Away VARCHAR, Score VARCHAR, High points VARCHAR, High rebounds VARCHAR, High assists VARCHAR, Location/Attendance VARCHAR, Record VARCHAR) CREATE TABLE urban_population_in_overseas_territories (urban_population_in_overseas_territories_id AUTO_INCREMENT PRIMARY KEY, Rank INT, City VARCHAR, 1890 census VARCHAR, 1910 census INT, 1920 census INT, 1930 census INT, 1940 census INT) CREATE TABLE 1970_isle_of_man_production_500_cc_tt_final_standings (1970_isle_of_man_production_500_cc_tt_final_standings_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Team VARCHAR, Speed VARCHAR, Time VARCHAR)  
SELECT Number of sequences Number of sequences: . FROM ncrna_gene_prediction_software WHERE Name = alifoldz